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Did you know?
When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).
Did you know?
In 1864, the first barbiturate (barbituric acid) was synthesized.
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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
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Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.


